Is the badminton year-end finals a knockout?

Badminton Federation's year-end finals are elimination matches. The final of the World Badminton Tour adopts the team single-cycle elimination system, with 8 players/team participating in each event. Each event is divided into two groups for a single round robin competition, and the top two teams advance to the semi-finals. After drawing lots again, the semi-finals will be determined according to the principle of not avoiding the same group. Elimination system is a kind of competition system in sports competitions and other competitions. Players play against each other, and they will be eliminated if they lose one game. Eliminate half of the players in each round until the final champion is produced.